215507556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1399}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 596232000

約数和(自身を除く): 380724444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 389, 396, 778, 1167, 1399, 1556, 2334, 2798, 3501, 4197, 4279, 4668, 5596, 7002, 8394, 8558, 12591, 12837, 14004, 15389, 16788, 17116, 25182, 25674, 30778, 38511, 46167, 50364, 51348, 61556, 77022, 92334, 138501, 154044, 184668, 277002, 544211, 554004, 1088422, 1632633, 2176844, 3265266, 4897899, 5986321, 6530532, 9795798, 11972642, 17958963, 19591596, 23945284, 35917926, 53876889, 71835852, 107753778, 215507556]

約数ペア:

[(1, 215507556), (2, 107753778), (3, 71835852), (4, 53876889), (6, 35917926), (9, 23945284), (11, 19591596), (12, 17958963), (18, 11972642), (22, 9795798), (33, 6530532), (36, 5986321), (44, 4897899), (66, 3265266), (99, 2176844), (132, 1632633), (198, 1088422), (389, 554004), (396, 544211), (778, 277002), (1167, 184668), (1399, 154044), (1556, 138501), (2334, 92334), (2798, 77022), (3501, 61556), (4197, 51348), (4279, 50364), (4668, 46167), (5596, 38511), (7002, 30778), (8394, 25674), (8558, 25182), (12591, 17116), (12837, 16788), (14004, 15389)]